1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.5 Block
1.6 Element Family
Actinide
Transition Metal
1.8 CAS Number
74399987440655
7429905
54386242
1.9 Space Group Name
1.10 Space Group Number
2 Facts
2.1 Interesting Facts
Not Available
- Yttrium Metal is highly toxic.
- Yttrium Metal is highly reactive in nature hence not found free in nature.
2.2 Sources
Made by Bombarding Uranium with Neutrons, Ores of metals
Found in Minerals, Mining, Ores of Minerals
2.3 History
2.3.1 Who Discovered
Edwin McMillan and Philip H. Abelson
Johan Gadolin
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
2.4.3 Abundance In Sun
~-9999 %~0.0000001 %
1E-08
0.1
2.4.5 Abundance In Meteorites
2.4.7 Abundance In Earth's Crust
2.4.9 Abundance In Oceans
2.4.11 Abundance In Humans
3 Uses
3.1 Uses & Benefits
- Currently known uses of Neptunium metal are limited to research purpose only.
-
Neptunium’s isotope neptunium-237 is used as a neutron detectors.
- Yttrium metal is used in different alloys, as it increases the strength of aluminum Magnesium alloy. It is used for radar microwave filter.
-
It is also used as a catalyst in ethene polymerisation.
3.1.1 Industrial Uses
NA
Electrical Industry, Electronic Industry
3.1.2 Medical Uses
3.1.3 Other Uses
Alloys, Nuclear Research, Research Purposes
Alloys
3.2 Biological Properties
3.2.1 Toxicity
3.2.2 Present in Human Body
3.2.3 In Blood
0.00 Blood/mg dm-30.00 Blood/mg dm-3
0
1970
3.2.5 In Bone
0.00 p.p.m.0.07 p.p.m.
0
170000
4 Physical
4.1 Melting Point
640.00 °C1,523.00 °C
27
3410
4.2 Boiling Point
3,902.00 °C3,337.00 °C
147
5660
4.3 Appearance
4.3.1 Physical State
4.3.2 Color
4.3.3 Luster
4.4 Hardness
4.4.1 Mohs Hardness
4.4.3 Brinell Hardness
4.4.5 Vickers Hardness
4.5 Speed of Sound
4.6 Optical Properties
4.6.1 Refractive Index
4.6.4 Reflectivity
4.7 Allotropes
4.7.1 α Allotropes
Not Available
Not Available
4.7.2 β Allotropes
Not Available
Not Available
4.7.3 γ Allotropes
Not Available
Not Available
5 Chemical
5.1 Chemical Formula
5.2 Isotopes
5.2.1 Known Isotopes
5.3 Electronegativity
5.3.1 Pauling Electronegativity
5.4.1 Sanderson Electronegativity
5.5.1 Allred Rochow Electronegativity
6.1.1 Mulliken-Jaffe Electronegativity
6.4.2 Allen Electronegativity
6.5 Electropositivity
6.5.1 Pauling Electropositivity
6.6 Ionization Energies
6.6.1 1st Energy Level
604.50 kJ/mol600.00 kJ/mol
375.7
26130
6.6.3 2nd Energy Level
1,128.00 kJ/mol1,180.00 kJ/mol
710.2162
28750
6.6.4 3rd Energy Level
1,997.00 kJ/mol1,980.00 kJ/mol
1600
34230
6.7.2 4th Energy Level
3,242.00 kJ/mol5,847.00 kJ/mol
2780
37066
6.7.4 5th Energy Level
NA7,430.00 kJ/mol
4305.2
97510
6.7.6 6th Energy Level
NA8,970.00 kJ/mol
5715.8
105800
6.8.1 7th Energy level
NA11,190.00 kJ/mol
7226.8
114300
6.9.1 8th Energy Level
NA12,450.00 kJ/mol
8857.4
125300
6.9.2 9th Energy Level
NA14,110.00 kJ/mol
14110
134700
6.11.1 10th Energy Level
NA18,400.00 kJ/mol
17100
144300
6.12.1 11th Energy Level
NA19,900.00 kJ/mol
19900
169988
6.14.1 12th Energy Level
NA36,090.00 kJ/mol
22219
189368
7.1.2 13th Energy Level
7.1.3 14th Energy Level
7.1.5 15th Energy Level
7.2.1 16th Energy Level
7.3.1 17th Energy Level
7.4.2 18th Energy Level
7.4.4 19th Energy Level
7.5.2 20th Energy Level
7.5.3 21st Energy Level
7.5.5 22nd Energy Level
7.5.6 23rd Energy Level
7.5.8 24th Energy Level
7.5.9 25th Energy Level
7.6.1 26th Energy Level
7.6.2 27th Energy Level
8.1.2 28th Energy Level
8.1.5 29th Energy Level
8.1.7 30th Energy Level
8.2 Electrochemical Equivalent
1.77 g/amp-hr1.11 g/amp-hr
0.16812
8.3209
8.4 Electron Work Function
8.5 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility
Chemical Stability, Flammable, Ionization, Radioactive Isotopes, Solubility
9 Atomic
9.1 Atomic Number
9.2 Electron Configuration
[Rn] 5f4 6d1 7s2
[Kr] 4d1 5s2
9.3 Crystal Structure
Orthorhombic (ORTH)
Hexagonal Close Packed (HCP)
9.3.1 Crystal Lattice
9.4 Atom
9.4.1 Number of Protons
10.1.1 Number of Neutrons
10.2.1 Number of Electrons
10.5 Radius of an Atom
10.5.1 Atomic Radius
155.00 pm180.00 pm
112
265
10.5.2 Covalent Radius
190.00 pm190.00 pm
96
260
10.6.1 Van der Waals Radius
221.00 pm200.00 pm
139
348
10.8 Atomic Weight
237.00 amu88.91 amu
6.94
294
10.9 Atomic Volume
11.62 cm3/mol19.80 cm3/mol
1.39
71.07
10.10 Adjacent Atomic Numbers
10.10.1 Previous Element
10.10.2 Next Element
10.11 Valence Electron Potential
96.00 (-eV)48.00 (-eV)
8
392.42
10.13 Lattice Constant
666.30 pm364.74 pm
228.58
891.25
10.14 Lattice Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
10.15 Lattice C/A Ratio
11 Mechanical
11.1 Density
11.1.1 Density At Room Temperature
19.38 g/cm34.47 g/cm3
0.534
40.7
11.1.2 Density When Liquid (at m.p.)
11.2 Tensile Strength
11.3 Viscosity
11.4 Vapor Pressure
11.4.1 Vapor Pressure at 1000 K
11.4.2 Vapor Pressure at 2000 K
0.11 (Pa)4.27 (Pa)
2.62E-10
774
11.5 Elasticity properties
11.5.1 Shear Modulus
11.5.2 Bulk Modulus
11.5.3 Young's Modulus
11.6 Poisson Ratio
11.7 Other Mechanical Properties
12 Magnetic
12.1 Magnetic Characteristics
12.1.1 Specific Gravity
12.1.2 Magnetic Ordering
Paramagnetic
Paramagnetic
12.1.3 Permeability
12.1.4 Susceptibility
12.2 Electrical Properties
12.2.1 Electrical Property
12.2.2 Resistivity
1.22 nΩ·m596.00 nΩ·m
0.18
961
12.2.3 Electrical Conductivity
0.01 106/cm Ω0.02 106/cm Ω
0.00666
0.63
12.2.4 Electron Affinity
13 Thermal
13.1 Specific Heat
0.12 J/(kg K)0.30 J/(kg K)
0.11
3.6
13.2 Molar Heat Capacity
29.46 J/mol·K26.53 J/mol·K
16.443
62.7
13.3 Thermal Conductivity
6.30 W/m·K17.20 W/m·K
6.3
429
13.4 Critical Temperature
13.5 Thermal Expansion
13.6 Enthalpy
13.6.1 Enthalpy of Vaporization
NA393.00 kJ/mol
7.32
799.1
13.6.2 Enthalpy of Fusion
3.20 kJ/mol17.15 kJ/mol
2.1
35.23
13.6.3 Enthalpy of Atomization
13.7 Standard Molar Entropy
NA44.40 J/mol.K
9.5
198.1